<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      span {
        display: inline-block;
        width: 100px;
        padding: 5px 10px;
        border: 1px solid pink;
        margin: 2px;
        border-radius: 5px;
        box-shadow: 2px 2px 2px rgba(255, 192, 203, 0.4);
        background-color: rgba(255, 192, 203, 0.1);
        text-align: center;
        color: hotpink;
      }
    </style>
  </head>
  <body>
    <script>
        // 使用外层循环控制打印九行数据
      for (let i = 1; i <= 9; i++) {
        // 里层循环控制打印每行span的个数
        for (let j = 1; j <= i; j++) {
          document.write(`<span>${j}*${i}=${j * i}</span> `);
        }
        document.write("<br />");
      }
    </script>
  </body>
</html>
